Sharp-Grooved Diving Beetle vs Tasmanian Giant Stonefly
Side-by-side species comparison
| Attribute | Sharp-Grooved Diving Beetle | Tasmanian Giant Stonefly |
|---|---|---|
| Scientific Name | Acilius sulcatus | Eusthenia spectabilis |
| Order | Coleoptera | Plecoptera |
| Family | Dytiscidae | Eustheniidae |
| Size | 15-18 mm | 30-50 mm |
| Habitat | Ponds & Lakes | Mountains |
| Diet | Predators | Predators |
| Regions | Europe, Western Asia | Australia (Tasmania) |
| Conservation | Least Concern | Least Concern |
Sharp-Grooved Diving Beetle
A medium-sized diving beetle widespread across Europe, recognized by the deeply grooved elytra of females. It is a fast and agile predator in ponds.
Did You Know?
Females have deeply furrowed elytra that prevent males from gripping them, giving them control over mating.
Tasmanian Giant Stonefly
A spectacular large stonefly endemic to Tasmanian mountain streams with bold orange and black markings. Nymphs are among the largest aquatic insect larvae in Australia.
Did You Know?
It belongs to an ancient Gondwanan family found only in Australia and South America.